Table 2.
Tolerance of the strains to acidic pH and bile salts at 37 °C for 0 and 4 h (log CFU/mL)
| Strain | pH | Bile | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5 | 3.5 | 0.3% | 0.6% | |||||||||
| 0 h | 4 h | SR % | 0 h | 4 h | SR % | 0 h | 4 h | SR % | 0 h | 4 h | SR % | |
| TA4 | 9.22 ± 0.04 | 9.12 ± 0.01 | 79a | 9.36 ± 0.02 | 9.32 ± 0.06 | 90.5a | 8.93 ± 0.07 | 8.85 ± 0.11 | 83.2a | 9.06 ± 0.17 | 9.01 ± 0.19 | 88.5a |
| SC8 | 9.23 ± 0.05 | 9.00 ± 0.07 | 59.9a | 9.24 ± 0.07 | 9.20 ± 0.10 | 91.5a | 9.05 ± 0.18 | 8.95 ± 0.05 | 81.5a | 9.05 ± 0.15 | 9.00 ± 0.14 | 90.3a |
| FF2 | 9.24 ± 0.02 | 9.16 ± 0.11 | 85.1a | 8.98 ± 0.05 | 8.95 ± 0.08 | 91.8a | 9.02 ± 0.02 | 8.91 ± 0.05 | 78.1a | 8.72 ± 0.03 | 8.67 ± 0.11 | 88.1a |
| MPJ10 | 9.35 ± 0.07 | 9.20 ± 0.11 | 70.4a | 9.22 ± 0.05 | 9.20 ± 0.05 | 94.3a | 9.02 ± 0.04 | 8.97 ± 0.04 | 89.9a | 8.75 ± 0.09 | 8.64 ± 0.04 | 76.7a |
The results are expressed as mean (n = 3) ± SD, and values within the same column with different superscript letters indicate statistical differences in each strain according to Tukey’s test at p < 0.05. The means are presented as log-transformed values of CFU/mL of the strains
SR% survival rate percentage